/* Site-wide source of truth for color, type and layout tokens. */
:root{--paper:#f5efdf;--light:#fcf9f1;--ink:#283e33;--red:#a94030;--brass:#a67c46;--sage:#d6decc;--line:color-mix(in srgb,var(--ink) 23%,transparent);--muted:color-mix(in srgb,var(--ink) 78%,var(--paper));--dark-line:color-mix(in srgb,var(--paper) 24%,transparent);--display:'Noto Serif JP','Yu Mincho',serif;--body:'Zen Kaku Gothic New','Hiragino Kaku Gothic ProN',sans-serif;--mono:'IBM Plex Mono',monospace;--s1:.5rem;--s2:1rem;--s3:1.5rem;--s4:2rem;--s5:3rem;--s6:4rem;--s7:6rem;--max:1264px;--chat-radius:12px;--shadow:0 15px 35px color-mix(in srgb,var(--ink) 12%,transparent)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--paper);color:var(--ink);font:500 16px/1.9 var(--body);-webkit-font-smoothing:antialiased}body:before{content:'';pointer-events:none;position:fixed;inset:0;z-index:10;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23000' filter='url(%23n)' opacity='.5' d='M0 0h160v160H0z'/%3E%3C/svg%3E")}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}a,button,summary{touch-action:manipulation}button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--brass);outline-offset:5px}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2{font-family:var(--display);font-weight:700;letter-spacing:.02em}h2{font-size:clamp(29px,3vw,43px);line-height:1.7}p+p{margin-top:var(--s3)}[hidden]{display:none!important}::selection{background:var(--sage);color:var(--ink)}.sd-wrap{width:min(calc(100% - 96px),var(--max));margin-inline:auto}.sd-section{padding-block:var(--s7)}.sd-mono{font:500 10px/1.8 var(--mono);letter-spacing:.09em}.sd-caption{font-size:12px}.sd-skip{position:absolute;top:-100px;left:var(--s2);background:var(--ink);color:var(--paper);z-index:100;padding:var(--s2)}.sd-skip:focus{top:var(--s2)}.sd-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.sd-topline{display:flex;justify-content:space-between;align-items:center;padding:7px max(48px,calc((100vw - var(--max))/2));background:var(--ink);color:var(--paper);font-size:11px;letter-spacing:.13em}.sd-header{display:flex;align-items:center;justify-content:space-between;min-height:108px;border-bottom:1px solid var(--line);gap:var(--s4)}.sd-brand{display:inline-flex;align-items:center;gap:13px;flex-shrink:0}.sd-brand strong{font-family:var(--display);display:block;font-size:24px;letter-spacing:.09em;font-weight:800;line-height:1.5}.sd-brand small{display:block;font-family:var(--mono);font-size:8px;letter-spacing:.13em;margin-top:4px}.sd-seal{width:44px;height:48px;border:2px solid var(--red);outline:1px solid var(--red);outline-offset:-6px;color:var(--red);display:grid;place-items:center;font:800 30px/1 var(--display);transform:rotate(-3deg)}.sd-nav{display:flex;align-items:center;gap:var(--s4);font-size:13px;font-weight:700}.sd-nav a:hover{color:var(--red)}.sd-nav-cta{display:inline-block;padding:11px 18px;border:1px solid var(--ink);color:var(--ink);background:transparent;font-size:12px}.sd-nav-cta span{margin-left:20px}.sd-mobile-cta{display:none}
.sd-hero{display:grid;grid-template-columns:1.08fr 1fr;align-items:center;gap:var(--s5);padding-block:64px 76px}.sd-eyebrow{display:flex;align-items:center;gap:var(--s2);font-size:15px;font-weight:700;letter-spacing:.18em;margin-bottom:var(--s3)}.sd-eyebrow span{width:32px;height:2px;background:var(--red)}.sd-hero h1{font-size:clamp(40px,4.65vw,67px);line-height:1.6;white-space:nowrap;letter-spacing:-.025em}.sd-hero h1 em{font-style:normal;color:var(--red)}.sd-lead{font-size:19px;line-height:1.95;margin-top:var(--s4);font-weight:700}.sd-hero-body{font-size:14px;line-height:2.1;color:var(--muted);margin-block:var(--s3) var(--s4)}.sd-button{display:inline-flex;align-items:center;justify-content:space-between;gap:var(--s3);min-height:58px;padding:14px 24px;font-size:14px;font-weight:700;border:1px solid transparent;background:var(--ink);color:var(--light);transition:background .2s,transform .2s}.sd-button:hover{background:var(--red);transform:translateY(-2px)}.sd-button>span{font-size:23px}.sd-button svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5}.sd-status{display:flex;align-items:center;gap:7px;margin-top:14px;color:var(--muted);font-size:11px}.sd-status i{width:6px;height:6px;border-radius:50%;background:var(--brass)}.sd-hero-art{position:relative;padding:0 17px 14px;margin-left:var(--s2)}.sd-photo-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:9px}.sd-photo-top>span:last-child{font-size:19px;color:var(--red)}.sd-photo{border:1px solid var(--line);padding:10px;background:var(--light);box-shadow:var(--shadow);transform:rotate(2deg)}.sd-photo img{width:100%;aspect-ratio:1;object-fit:cover}.sd-photo figcaption{display:flex;justify-content:space-between;align-items:end;padding:16px 9px 9px;font:600 13px/1.7 var(--display)}.sd-photo figcaption .sd-mono{text-align:right;font-size:8px}.sd-stamp{position:absolute;right:-4px;bottom:60px;width:115px;height:115px;border-radius:50%;border:1px solid var(--red);outline:1px solid var(--red);outline-offset:-6px;background:var(--paper);color:var(--red);display:flex;flex-direction:column;justify-content:center;align-items:center;font:600 11px/1.5 var(--display);transform:rotate(-13deg)}.sd-stamp strong{font-size:30px}.sd-stamp small{font:500 5.5px var(--mono);margin-top:5px}.sd-band{border-block:1px solid var(--line)}.sd-band .sd-wrap{display:flex;align-items:center;justify-content:space-between;gap:var(--s4);min-height:87px}.sd-band span{font:600 24px var(--display);letter-spacing:.12em}.sd-band i{font-style:normal;color:var(--red);font-size:24px}.sd-band small{font-size:12px}
.sd-section-label{display:flex;justify-content:space-between;align-items:center;grid-column:1/-1;margin-bottom:var(--s5);font-size:11px;letter-spacing:.1em;color:var(--muted)}.sd-section-label .sd-mono{color:var(--red)}.sd-about{display:grid;grid-template-columns:1fr 1fr;column-gap:var(--s7)}.sd-kicker{font-size:13px;color:var(--red);font-weight:700;letter-spacing:.1em;margin-bottom:var(--s3)}.sd-about-copy{padding-top:4px;font-size:15px;line-height:2.15}.sd-handwritten{font-family:var(--display);color:var(--red);font-size:16px}.sd-green{background:var(--ink);color:var(--light)}.sd-green .sd-section-label,.sd-green .sd-section-label .sd-mono{color:var(--sage)}.sd-densuke-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--s7);align-items:center}.sd-nameplate{display:inline-block;border:1px solid var(--dark-line);padding:4px 12px;font-size:11px;letter-spacing:.1em;margin-bottom:var(--s3)}.sd-densuke-grid h2{font-size:clamp(34px,3.6vw,49px)}.sd-densuke-lead{font-size:23px;font-weight:700;line-height:1.65;margin-top:var(--s3)}.sd-muted-light{color:var(--sage);font-size:15px}.sd-price{display:flex;align-items:baseline;gap:var(--s3);flex-wrap:wrap;margin-block:var(--s4);padding-block:14px;border-block:1px solid var(--dark-line)}.sd-price>span{font-size:13px}.sd-price strong{font:500 60px/1 var(--display)}.sd-price strong small{font-size:23px;margin-left:5px}.sd-price .sd-caption{font-size:10px;color:var(--sage)}.sd-text-link{font-size:13px;padding-bottom:6px;border-bottom:1px solid currentColor;display:inline-flex;gap:var(--s3);align-items:center}.sd-text-link:hover{opacity:.75}
.sd-chat-preview{background:var(--light);color:var(--ink);transform:rotate(1deg);box-shadow:var(--shadow)}.sd-chat-header{display:flex;align-items:center;gap:12px;padding:20px 24px;border-bottom:1px solid var(--line)}.sd-avatar{background:var(--ink);color:var(--paper);width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font:600 22px var(--display)}.sd-chat-header strong{display:block;font-size:14px}.sd-chat-header small{display:block;font-size:10px;color:var(--muted)}.sd-chat-dots{margin-left:auto;letter-spacing:.12em}.sd-demo-tabs{display:flex;padding:14px 24px 0;gap:var(--s2)}.sd-demo-tabs button{border:0;padding:8px 10px;flex:1;font-size:12px;background:transparent;color:var(--muted);border-bottom:2px solid var(--line)}.sd-demo-tabs button[aria-selected=true]{border-color:var(--red);color:var(--red);font-weight:900}.sd-example{padding:24px;min-height:394px}.sd-bubble{padding:12px 16px;font-size:13px;line-height:1.8;max-width:90%;overflow-wrap:anywhere}.sd-user{background:var(--sage);border-radius:var(--chat-radius) var(--chat-radius) 0 var(--chat-radius);margin-left:auto}.sd-ai{background:var(--paper);border:1px solid var(--line);border-radius:var(--chat-radius) var(--chat-radius) var(--chat-radius) 0;margin-top:var(--s2)}.sd-mini-page{border:1px solid var(--line);margin-top:20px;background:var(--paper)}.sd-mini-bar{display:flex;align-items:center;padding:5px 9px;gap:4px;border-bottom:1px solid var(--line)}.sd-mini-bar i{width:4px;height:4px;background:var(--brass);border-radius:50%}.sd-mini-bar span{margin-left:7px;font-size:9px}.sd-mini-content{display:flex;align-items:center;justify-content:center;gap:var(--s3);padding:23px 16px}.sd-coffee-mark{border:1px solid var(--red);color:var(--red);width:69px;height:87px;display:grid;place-items:center;font:600 39px var(--display);background:var(--light)}.sd-mini-content small{font:500 7px var(--mono);letter-spacing:.12em;display:block}.sd-mini-content strong{font:600 18px/1.5 var(--display);display:block;margin-block:7px}.sd-mini-content i{display:block;height:2px;width:120px;background:var(--line);margin-top:4px}.sd-mini-content i:last-child{width:80px}.sd-preview-note{text-align:center;font-size:10px;color:var(--muted);padding:0 16px 20px;margin:0}.sd-note{margin-top:20px;padding:19px;border:1px solid var(--line)}.sd-note>.sd-mono{color:var(--red);font-size:8px}.sd-note strong{display:block;font:600 16px var(--display);margin-block:9px}.sd-note p{display:flex;gap:12px;font-size:11px}.sd-note small{font-size:10px}.sd-note p+p{margin-top:5px}
.sd-offers-title{display:flex;justify-content:space-between;align-items:end;gap:var(--s4);margin-bottom:var(--s5)}.sd-offers-title h2{font-size:clamp(28px,2.8vw,39px)}.sd-offers-title p{font-size:13px;color:var(--muted)}.sd-offer{display:grid;grid-template-columns:40px 1.1fr 1.3fr 35px;align-items:center;gap:var(--s3);border-top:1px solid var(--line);padding-block:30px}.sd-offer:last-child{border-bottom:1px solid var(--line)}.sd-offer>.sd-mono{color:var(--red);font-size:12px}.sd-offer h3{font:600 22px var(--display)}.sd-offer p{font-size:13px;color:var(--muted)}.sd-offer>i{font-style:normal;font-size:33px;color:var(--red)}.sd-philosophy{background:var(--sage)}.sd-philosophy-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:var(--s6);align-items:center}.sd-zero{font:600 250px/1 var(--display);display:flex;align-items:center;justify-content:center;gap:var(--s3)}.sd-zero span{font-size:19px;line-height:1.9;writing-mode:vertical-rl;letter-spacing:.15em}.sd-philosophy h2{font-size:clamp(29px,2.8vw,39px)}.sd-philosophy p:not([class]){font-size:14px;line-height:2;margin-top:var(--s3)}.sd-philosophy .sd-text-link{margin-top:var(--s4)}.sd-how{text-align:center}.sd-how-intro{margin-top:var(--s3);font-size:13px;color:var(--muted)}.sd-steps{display:grid;grid-template-columns:repeat(3,1fr);padding:0;list-style:none;gap:0;margin:var(--s6) 0 0}.sd-steps li{padding-inline:var(--s4)}.sd-steps li+li{border-left:1px solid var(--line)}.sd-steps li>span{display:grid;place-items:center;width:48px;height:48px;margin:0 auto var(--s3);border:1px solid var(--red);border-radius:50%;color:var(--red);font:600 22px var(--display)}.sd-steps h3{font-size:19px;margin-bottom:12px}.sd-steps p{font-size:13px;color:var(--muted);max-width:265px;margin-inline:auto}.sd-faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:var(--s6);border-top:1px solid var(--line)}.sd-faq h2{font-size:32px}.sd-faq details{border-bottom:1px solid var(--line)}.sd-faq details:first-child{border-top:1px solid var(--line)}.sd-faq summary{display:flex;align-items:center;gap:16px;padding-block:23px;cursor:pointer;list-style:none;font-size:15px;font-weight:700}.sd-faq summary::-webkit-details-marker{display:none}.sd-faq summary>span{color:var(--red);font-family:var(--display)}.sd-faq summary i{font-style:normal;margin-left:auto;font-size:19px;color:var(--red)}.sd-faq details[open] summary i{transform:rotate(45deg)}.sd-faq details p{padding:0 34px 24px;font-size:13px;color:var(--muted)}.sd-reception{background:var(--red);color:var(--light)}.sd-reception>.sd-wrap{display:grid;grid-template-columns:1.25fr 1fr;gap:var(--s6);padding-block:var(--s6);align-items:center}.sd-reception h2{margin-block:var(--s3);font-size:clamp(28px,3.2vw,43px)}.sd-reception p:not([class]){font-size:14px}.sd-button-light{background:var(--paper);color:var(--ink);width:100%}.sd-button-light:hover{background:var(--light);color:var(--red)}.sd-reception-action>p{font-size:11px!important;margin-top:12px}.sd-reception-action>a:not(.sd-button){display:inline-block;font-size:13px;border-bottom:1px solid var(--dark-line);margin-top:var(--s4)}.sd-line-row{display:flex;align-items:center;gap:var(--s3);flex-wrap:wrap}.sd-qr{width:96px;height:96px;padding:6px;background:#fff;border:1px solid var(--line)}.sd-line-card{display:flex;align-items:center;justify-content:center;gap:var(--s4);margin:var(--s6) auto 0;padding:var(--s4);max-width:640px;border:1px solid var(--line);background:var(--light);text-align:left}.sd-line-card .sd-qr{width:132px;height:132px}.sd-line-card .sd-qr-note{font-size:13px;color:var(--muted);margin-bottom:var(--s2)}
.sd-footer{display:flex;align-items:center;gap:var(--s4);padding-block:var(--s5);flex-wrap:wrap}.sd-footer .sd-brand strong{font-size:19px}.sd-footer .sd-seal{width:35px;height:39px;font-size:24px}.sd-footer .sd-brand small{font-size:6px}.sd-footer>p{font-size:11px;flex:1}.sd-footer>a:not([class]){font-size:11px;text-decoration:underline;text-underline-offset:4px}.sd-footer>.sd-mono{font-size:8px}.sd-legal{max-width:760px;padding-block:var(--s7);min-height:65vh}.sd-legal h1{font-size:36px;margin-bottom:var(--s4)}.sd-legal dl{display:grid;grid-template-columns:130px 1fr;margin-block:var(--s4)}.sd-legal dt,.sd-legal dd{padding:var(--s2) 0;border-bottom:1px solid var(--line);margin:0}.sd-legal a{text-decoration:underline;text-underline-offset:4px}

@media(min-width:1600px){.sd-hero{padding-block:80px 92px}}@media(max-width:1100px){.sd-wrap{width:calc(100% - 64px)}.sd-topline{padding-inline:32px}.sd-nav{gap:var(--s3);font-size:12px}.sd-brand strong{font-size:21px}.sd-densuke-grid{gap:var(--s5)}.sd-about{column-gap:var(--s5)}.sd-price{gap:var(--s2)}.sd-price .sd-caption{width:100%}.sd-offer{grid-template-columns:30px 1fr 1.2fr 30px;gap:var(--s2)}.sd-offer h3{font-size:19px}}
@media(max-width:800px){:root{--s7:4rem}.sd-qr,.sd-qr-note{display:none}.sd-line-card{margin-top:var(--s5);padding:var(--s3)}.sd-wrap{width:calc(100% - 40px)}.sd-topline{padding:7px 20px}.sd-topline .sd-mono{font-size:7px;letter-spacing:0}.sd-topline>span:first-child{font-size:9px}.sd-header{min-height:88px;gap:16px}.sd-brand strong{font-size:21px}.sd-brand small{font-size:6.5px}.sd-seal{width:37px;height:42px;font-size:26px}.sd-nav{display:none}.sd-mobile-cta{display:block;padding:7px 0 7px 12px;border:0;border-left:1px solid var(--line);font-size:10px;line-height:1.6;color:var(--ink);background:transparent}.sd-hero{grid-template-columns:1fr;padding-block:var(--s5);gap:38px}.sd-hero-copy{max-width:570px}.sd-hero h1{font-size:clamp(37px,7.6vw,60px);line-height:1.65}.sd-lead{font-size:17px;margin-top:23px}.sd-hero-body{font-size:14px}.sd-hero-art{width:min(100%,490px);margin-inline:auto;padding-inline:10px}.sd-stamp{right:0}.sd-band .sd-wrap{min-height:73px;gap:7px}.sd-band span{font-size:19px}.sd-band i{font-size:18px}.sd-band small{display:none}.sd-section-label{margin-bottom:var(--s4);font-size:10px}.sd-about{grid-template-columns:1fr}.sd-about-copy{margin-top:var(--s4)}.sd-densuke-grid{grid-template-columns:1fr;gap:var(--s5)}.sd-densuke-grid h2{font-size:39px}.sd-price .sd-caption{width:auto}.sd-chat-preview{transform:none;max-width:510px;width:100%;margin-inline:auto}.sd-example{min-height:395px}.sd-offers-title{display:block}.sd-offers-title p{margin-top:var(--s3)}.sd-offer{grid-template-columns:30px 1fr 25px;gap:6px 12px;padding-block:24px}.sd-offer h3{font-size:21px}.sd-offer p{grid-column:2;font-size:12px}.sd-offer p br{display:none}.sd-offer>i{grid-column:3;grid-row:1/3;font-size:27px}.sd-philosophy-grid{grid-template-columns:1fr;gap:var(--s4);padding-block:var(--s5) var(--s6)}.sd-zero{font-size:155px;justify-content:start}.sd-zero span{font-size:15px}.sd-philosophy h2{font-size:30px}.sd-wide{display:none}.sd-steps{grid-template-columns:1fr;gap:26px;margin-top:var(--s4);text-align:left}.sd-steps li{position:relative;padding:0 0 24px 67px;border-bottom:1px solid var(--line)}.sd-steps li+li{border-left:0}.sd-steps li>span{position:absolute;top:3px;left:0}.sd-steps p{max-width:none}.sd-steps h3{margin-bottom:6px}.sd-how{text-align:left}.sd-faq{grid-template-columns:1fr;gap:var(--s4)}.sd-faq summary{font-size:14px;gap:12px}.sd-faq details p{padding-inline:26px 12px}.sd-reception>.sd-wrap{grid-template-columns:1fr;gap:var(--s4)}.sd-footer{gap:20px}.sd-footer>p{flex-basis:100%;order:1;margin:0}.sd-footer>.sd-mono{margin-left:auto;order:2}.sd-footer>a:not([class]){margin-left:auto}.sd-legal dl{grid-template-columns:90px 1fr;font-size:13px}.sd-button{gap:12px;padding-inline:18px;font-size:13px}}
@media(max-width:370px){.sd-brand{gap:9px}.sd-brand strong{font-size:18px}.sd-brand small{font-size:5.5px}.sd-topline .sd-mono{display:none}.sd-hero h1{font-size:34px}.sd-button{padding-inline:12px;font-size:11px}.sd-densuke-grid h2{font-size:33px}.sd-example{padding:18px}.sd-chat-header{padding-inline:18px}.sd-offer h3{font-size:18px}.sd-legal dd{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}